Service difficulty report · Skin · Boeing 75724APF

Difficulty date
September 4, 2026
Submitted
October 2, 2026
Operation
Air carrier
Aircraft
N463UP
Make and model
Boeing 75724APF
Aircraft serial
28267
Aircraft time
40,335 hours, 21,491 cycles
Part
Skin
Condition
Debonded
Location
Zone 100
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

MAJOR REPAIR, LOWER BILGE COMPOSITE SKIN PANEL BETWEEN STA 1963 TO 1992 FWD AND AFT EDGES DISBONDED WITH AREAS OF CORROSION INCLUDING FWD EDGE LEVELING COMPOUND DETERIORATED AND NOT SECURED. RL028 VERIFIED STEP 17 OKAY TO TREAT AND PRIME REWORKED AREA. REF UPS GMM RII 04-02.

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